Second

An Ark implementation (Bark) and SDK for adding self-custodial Bitcoin payments over Ark, Lightning, and on-chain.

Visit website GitHub

Features

Ark
Lightning-Support
Self-custodial

Product facts

Awaiting sources for: custody, platforms, lightning, availability.

Facts verified: Not yet verified

No evidence linked.

Networks & use cases

Use cases

Nodes/Infrastructure

Networks

Bitcoin L1 Lightning Network Arkade

Layers Bitcoin L1 · Lightning · Off-chain

Settle order · L1 → Lightning → Sidechains → Rollups → Meta → Off-chain

Listing details

Listing updated: Sep 12, 2026
Status: live
Repository: GitHub linked
Website: second.tech
Write-up: No long-form write-up yet. Contribute an update

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